Automatic replenishment method and apparatus for photographic pr

Details Automatic replenishment method and apparatus for photographic pr Automatic replenishment method and apparatus for photographic pr

1974-04-22

1976-07-20

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 50A, 96 60R, 96 63, 96 66R, 96 61R, 96 62, G03C 526, G03C 524, G03C 538

Patent

active

039704572

ABSTRACT:
Disclosed is a method and apparatus for automatically replenishing the chemical solutions consumed in a film developing process, which results in a lessening of the chemical activity of the solutions, and where the consumption of some of the chemicals in some of the solutions are dependent on the amount of imagery processed and the rest of the solutions are dependent on the amount of bulk or non-imagery processed. The process generally involves extracting samples of one of the image dependent and one of the bulk dependent solutions, analyzing the samples to determine the chemical activity therein, and replenishing all of the image dependent solutions in relation to the chemical activity in the image dependent sample and all of the bulk dependent solutions in relation to the chemical activity in the bulk dependent sample. Provisions may be made to recycle or regenerate some of the solutions.

REFERENCES:
patent: 3334566 (1967-08-01), Friedel
patent: 3492932 (1970-02-01), Van Baerle
patent: 3529529 (1970-09-01), Schumacher
patent: 3647462 (1972-03-01), Surash et al.
patent: 3770608 (1973-11-01), Kelch et al.
Mason, Photo. Proc. Chemistry, 1966, pp. 266-267.

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